Difference between revisions of "Brian Welch"

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'''Brian Welch''' is a [[PhD]] student, studying [[Astronomy]], at [[John Hopkins University]].<ref name=washingtonpost2022-03-30/>  His thesis supervisor, [[Dan Coe]], discovered a very distant galaxy, called [[The Sunrise Arc]], in 2016.  That Galaxy was only found because the gravity of a supercluster of galaxies that lie between us and The Sunrise Arc magnified its light, through [[Gravitational lens]]ing.
'''Brian Welch''' is a [[PhD]] student, studying [[Astronomy]], at [[John Hopkins University]].<ref name=washingtonpost2022-03-30/>  His thesis supervisor, [[Dan Coe]], discovered a very distant galaxy, called [[The Sunrise Arc]], in 2016.  That Galaxy was only found because the gravity of a supercluster of galaxies that lie between us and The Sunrise Arc magnified its light, through [[Gravitational lens]]ing.


Coe assigned Welch the task of examining promising objects within The Sunrise Arc, and he found an object now known as [[Earendil]].<ref name=washingtonpost2022-03-30/>  Welch co-ordinated an international team of Astronomers, who confirmed that Earendil seemed to be a very distant early star.  Welch was the lead author of a paper in the prestigious Science journal ''[[Nature (journal)|Nature]]'', announcing the discovery, on March 30, 2022.
Coe assigned Welch the task of examining promising objects within The Sunrise Arc.<ref name=washingtonpost2022-03-30/>
 
In June, 2021, Welch published an article in the ''[[Bulletin of the American Astronomical Society]]'', announcing the observation of several small, dense [[globular cluster]]s, within the galaxy.<ref name=BulletinAmericanAstronomicalSociety-2021-06/>
 
Meanwhile Welch had found, in 2018, an object now known as [[Earendil]].<ref name=washingtonpost2022-03-30/>  Welch co-ordinated an international team of Astronomers, who confirmed that Earendil seemed to be a very distant early star.  Welch was the lead author of a paper in the prestigious Science journal ''[[Nature (journal)|Nature]]'', announcing the discovery, on March 30, 2022.<ref name=Nature2022-03-30/>


==References==
==References==
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https://web.archive.org/web/20220331035143/https://ui.adsabs.harvard.edu/abs/2021AAS...23832409W/abstract
 
<ref name=BulletinAmericanAstronomicalSociety-2021-06>
{{cite news   
| url        = https://ui.adsabs.harvard.edu/abs/2021AAS...23832409W/abstract
| title      = Relics: Parsec-Scale Star Clusters In The First Billion Years
| work        = [[Bulletin of the American Astronomical Society]]
| volume      = 53
| number      = 6
| author      = B. Welch
| date        =
| archiveurl  = https://web.archive.org/web/20220331035143/https://ui.adsabs.harvard.edu/abs/2021AAS...23832409W/abstract
| archivedate = 2022-03-31
| accessdate  = 2022-03-30
| url-status  = live     
| quote      =
}}
[https://web.archive.org/web/20220331035143/https://ui.adsabs.harvard.edu/abs/2021AAS...23832409W/abstract mirror]
</ref>


<ref name=Nature2022-03-30>
<ref name=Nature2022-03-30>

Revision as of 10:59, 31 March 2022

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Brian Welch is a PhD student, studying Astronomy, at John Hopkins University.[1] His thesis supervisor, Dan Coe, discovered a very distant galaxy, called The Sunrise Arc, in 2016. That Galaxy was only found because the gravity of a supercluster of galaxies that lie between us and The Sunrise Arc magnified its light, through Gravitational lensing.

Coe assigned Welch the task of examining promising objects within The Sunrise Arc.[1]

In June, 2021, Welch published an article in the Bulletin of the American Astronomical Society, announcing the observation of several small, dense globular clusters, within the galaxy.[2]

Meanwhile Welch had found, in 2018, an object now known as Earendil.[1] Welch co-ordinated an international team of Astronomers, who confirmed that Earendil seemed to be a very distant early star. Welch was the lead author of a paper in the prestigious Science journal Nature, announcing the discovery, on March 30, 2022.[3]

References

  1. 1.0 1.1 1.2 Joel Achenbach. Hubble telescope detects most distant star ever seen, near cosmic dawn, Washington Post, 2022-03-30. Retrieved on 2022-03-30. “Earendel is part of an early, small galaxy whose light has been magnified and distorted in two curved strips as a result of such lensing. Astronomer Dan Coe of Johns Hopkins discovered and named the Sunrise Arc in 2016 as part of a Hubble observation program. Welch, Coe’s student, scrutinized a tiny speck — some kind of object — providentially located on the arc where the magnification was highest. Over the course of 3½ years, the object remained in that spot.”
  2. B. Welch. Relics: Parsec-Scale Star Clusters In The First Billion Years, Bulletin of the American Astronomical Society. Retrieved on 2022-03-30. mirror
  3. Welch, Brian, et al. (2022-03-30). "A highly magnified star at redshift 6.2". Nature 603: 815-818. DOI:10.1038/s41586-022-04449-y. Retrieved on 2022-03-30. Research Blogging.